And, he says, she took his "back massager," he says, to which she replies, "I do use that back massager, although I had no idea it was for my back."

They switch to talking about whether she's a man. "Everyone knows I'm the first woman in late night."

"No, that was Joan Rivers," he says.

"Well, have you taken a look at her lately?" she cracks.

He replies: "I'm still convinced whatever that is, it's a female."

Conan goes on to say he's angry and they both wind up slapping each other (with his private parts at one point!) and sporting black eyes, before Chelsea's assistant Chuy motors in to make an appearance. He's naked, too!